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Diffstat (limited to 'test/cpp/qps/histogram.h')
-rw-r--r-- | test/cpp/qps/histogram.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/test/cpp/qps/histogram.h b/test/cpp/qps/histogram.h new file mode 100644 index 0000000000..7ba00e94c3 --- /dev/null +++ b/test/cpp/qps/histogram.h @@ -0,0 +1,85 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef TEST_QPS_HISTOGRAM_H +#define TEST_QPS_HISTOGRAM_H + +#include <grpc/support/histogram.h> +#include "test/cpp/qps/qpstest.pb.h" + +namespace grpc { +namespace testing { + +class Histogram { + public: + Histogram() : impl_(gpr_histogram_create(0.01, 60e9)) {} + ~Histogram() { + if (impl_) gpr_histogram_destroy(impl_); + } + Histogram(Histogram&& other) : impl_(other.impl_) { other.impl_ = nullptr; } + + void Merge(Histogram* h) { gpr_histogram_merge(impl_, h->impl_); } + void Add(double value) { gpr_histogram_add(impl_, value); } + double Percentile(double pctile) { + return gpr_histogram_percentile(impl_, pctile); + } + double Count() { return gpr_histogram_count(impl_); } + void Swap(Histogram* other) { std::swap(impl_, other->impl_); } + void FillProto(HistogramData* p) { + size_t n; + const auto* data = gpr_histogram_get_contents(impl_, &n); + for (size_t i = 0; i < n; i++) { + p->add_bucket(data[i]); + } + p->set_min_seen(gpr_histogram_minimum(impl_)); + p->set_max_seen(gpr_histogram_maximum(impl_)); + p->set_sum(gpr_histogram_sum(impl_)); + p->set_sum_of_squares(gpr_histogram_sum_of_squares(impl_)); + p->set_count(gpr_histogram_count(impl_)); + } + void MergeProto(const HistogramData& p) { + gpr_histogram_merge_contents(impl_, &*p.bucket().begin(), p.bucket_size(), + p.min_seen(), p.max_seen(), p.sum(), + p.sum_of_squares(), p.count()); + } + + private: + Histogram(const Histogram&); + Histogram& operator=(const Histogram&); + + gpr_histogram* impl_; +}; +} +} + +#endif /* TEST_QPS_HISTOGRAM_H */ |